Irradiation of foods
A. involves the use of gamma radiation.
B. is used on all foodstuffs.
C. changes the taste of foods.
D. is not regulated by the government.
E. involves the use of gamma radiation, changes the taste of foods AND is not regulated by the government.
A. involves the use of gamma radiation.
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The ammocoete is the larva of
(a) lampreys. (b) sharks. (c) bony fishes. (d) amphibians.
Multicellular animals with pressurized circulatory systems use a three-step process to isolate and eliminate wastes. Arrange these steps in order from earliest to latest
A. filtration; reabsorption; secretion B. secretion; filtration; reabsorption C. filtration; secretion; reabsorption D. reabsorption; filtration, secretion E. secretion; reabsorption; filtration
In an experiment on wayfinding, indigo buntings were housed in outdoor cages with blotting paper walls and inkpads
on the floors. Which line of evidence demonstrated to researchers that the indigo bunting uses the positions of stars to orient its migration?
a. The birds' inky feet made prints indicating the direction in which they attempted to fly. b. In spring, the inky footprints were mostly on the northern side of the cage. c. In fall, the inky footprints were mostly on the south side of the cage. d. On cloudy nights, the inky footprint patterns were evenly distributed in all directions. e. In spring, the birds’ anterior pituitary gland generated a series of hormonal changes.
Which of the following materials is not used in making a wet mount of cheek epithelial cells?